Home / 127,674.20-191,511.30-118,051.40

Finding the Fourth Proportional to 127,674.20, 191,511.30 and 118,051.40

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Solution

The fourth proportional to 127,674.20, 191,511.30 and 118,051.40 is: 177,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,674.20 : 191,511.30 = 118,051.40 : x
  2. Step 2: Convert to fraction form
    127,674.20/191,511.30 = 118,051.40/x
  3. Step 3: Cross multiply
    127,674.20x = 191,511.30 × 118,051.40
  4. Step 4: Simplify right side
    127,674.20x = 22,608,177,080.82
  5. Step 5: Solve for x
    x = 22,608,177,080.82/127,674.20
  6. Step 6: Final answer
    x = 177,077.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.